//
//  HomeFlowSubListViewController.m
//  BaseProject
//
//  Created by 王洋 on 2020/8/2.
//  Copyright © 2020 王洋. All rights reserved.
//

#import "ZZLayout.h"

#import "SearchResultPackageCell.h"

#import "HomeFlowSubListViewController.h"

@interface HomeFlowSubListViewController ()<UICollectionViewDelegate, UICollectionViewDataSource, ZZLayoutDelegate>

@property (nonatomic, strong) NSMutableArray <CommonPackageModel *> *packageDataArray;

@property (nonatomic, assign) NSInteger pageSize;
@property (nonatomic, assign) NSInteger pageNum;

@end

@implementation HomeFlowSubListViewController

- (instancetype)initWithParentId:(NSInteger)scId {
    
    self = [super init];
    
    if (self) {
        self.scId = scId;
    }
    
    return self;
}

- (void)refreshParam {
    self.pageSize = 10;
    self.pageNum = 1;
}

- (void)viewDidLoad {
    [super viewDidLoad];

    [self initView];
}

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    
    if (self.packageDataArray.count == 0) {
        [self refreshParam];
        [self request_packageList];
    }
}

- (void)refreshChildVCData {
    [self refreshParam];
    [self request_packageList];
}

- (void)initView {

    [self.view addSubview:self.collectionView];
    
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.right.top.mas_equalTo(0);
        make.bottom.mas_equalTo(0);
    }];
}

- (void)viewWillLayoutSubviews {
    [super viewWillLayoutSubviews];
    
    CAGradientLayer *layer = [CAGradientLayer layer];
    layer.startPoint = CGPointMake(0, 0);
    layer.endPoint = CGPointMake(0, 1);
    
    layer.colors = @[(__bridge id)[[UIColor whiteColor] colorWithAlphaComponent:1].CGColor, (__bridge id)UIColorHex(0xf1f1f1).CGColor];
    
    layer.frame = CGRectMake(0, 0, TTScreenWidth, self.view.frame.size.height);
    [self.view.layer insertSublayer:layer atIndex:0];
}

#pragma mark- 协议方法
//collectionView的协议方法
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
    return 1;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    
    return self.packageDataArray.count;
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath {
    
    UICollectionReusableView *reusableView = nil;
    // 区头
    if (kind == UICollectionElementKindSectionHeader) {
        UICollectionReusableView *headerView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"UICollectionElementKindSectionHeader" forIndexPath:indexPath];
        reusableView = headerView;
    }
    // 区尾
    if (kind == UICollectionElementKindSectionFooter) {
        UICollectionReusableView *footerView = [collectionView dequeueReusableSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:@"UICollectionElementKindSectionFooter" forIndexPath:indexPath];
        reusableView = footerView;
    }
    return reusableView;
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
    
    //防止滑动误触
    UIWindow * window=[[[UIApplication sharedApplication] delegate] window];
    CGRect rect=[self.view convertRect:self.view.bounds toView:window];
    
    if (rect.origin.x == 0) {
        
        if (self.packageDataArray.count > indexPath.row) {
            
            CommonPackageModel *model = self.packageDataArray[indexPath.row];
            [[TT_JumpManager sharedManager] jumpWithDetailModel:model completion:^(BOOL success, NSString * _Nonnull message) {}];

        }
    }
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    
    SearchResultPackageCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"SearchResultPackageCellID" forIndexPath:indexPath];
    [cell fillCellWithModel:self.packageDataArray[indexPath.row]];
    
    WEAKSELF
    cell.SearchResultPackageLoginBlock = ^{
      
        [weakSelf openLoginWithCompletion:^(BOOL isLogin, NSDictionary * _Nonnull options) {
            if (isLogin) {
                [weakSelf.collectionView reloadData];
            }
        }];
    };
    return cell;
}

//ZZLyout的流协议方法
- (CGFloat)layout:(ZZLayout *)layout heightForRowAtIndexPath:(NSIndexPath *)indexPath {//返回item的高

    return self.packageDataArray[indexPath.row].cellHeight;
}

- (NSInteger)layout:(ZZLayout *)layout columnNumberAtSection:(NSInteger)section {//每个区有几列

    return 2;
}

- (UIEdgeInsets)layout:(ZZLayout *)layout insetForSectionAtIndex:(NSInteger)section {//设置每个区的边距
    
    return UIEdgeInsetsMake(15, 15, 15, 15);
}

- (NSInteger)layout:(ZZLayout *)layout lineSpacingForSectionAtIndex:(NSInteger)section {//设置每个区的行间距

    return 10;
}

- (CGFloat)layout:(ZZLayout*)layout interitemSpacingForSectionAtIndex:(NSInteger)section {//设置每个区的列间距

    return 10;
}

- (CGSize)layout:(ZZLayout *)layout referenceSizeForHeaderInSection:(NSInteger)section {//设置区头的高度

    return CGSizeMake(TTScreenWidth, CGFLOAT_MIN);
}

- (CGSize)layout:(ZZLayout *)layout referenceSizeForFooterInSection:(NSInteger)section {//设置区尾的高度
    return CGSizeMake(TTScreenWidth, CGFLOAT_MIN);
}

- (CGFloat)layout:(ZZLayout*)layout spacingWithLastSectionForSectionAtIndex:(NSInteger)section {//本区区头和上个区区尾的间距
    return 0;
}

- (UIColor *)layout:(UICollectionView *)layout colorForSection:(NSInteger)section {//设置不同分区的不同背景颜色
    return [UIColor clearColor];
}

-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
    
    if (!self.canScroll) {
        scrollView.contentOffset = CGPointZero;
    }
    
    if (scrollView.contentOffset.y<0) {
        self.canScroll = NO;
        scrollView.contentOffset = CGPointZero;
        [[NSNotificationCenter defaultCenter]postNotificationName:@"homeTabNoti" object:nil];
    }
}

#pragma mark- 懒加载
- (UICollectionView *)collectionView {
    if (!_collectionView) {
        
        ZZLayout *layout = [[ZZLayout alloc] initWith:ZZLayoutFlowTypeVertical delegate:self];
        //打开区头悬浮功能(默认关闭)
        layout.sectionHeadersPinToVisibleBounds = NO;
        
        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.backgroundColor = [UIColor clearColor];
        _collectionView.delegate = self;
        _collectionView.dataSource = self;
        
        [_collectionView registerNib:[UINib nibWithNibName:@"SearchResultPackageCell" bundle:nil] forCellWithReuseIdentifier:@"SearchResultPackageCellID"];

        [_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionHeader withReuseIdentifier:@"UICollectionElementKindSectionHeader"];
        
        [_collectionView registerClass:[UICollectionReusableView class] forSupplementaryViewOfKind:UICollectionElementKindSectionFooter withReuseIdentifier:@"UICollectionElementKindSectionFooter"];

        _collectionView.showsHorizontalScrollIndicator = NO;
        _collectionView.showsVerticalScrollIndicator = NO;

        _collectionView.bounces = YES;
        self.edgesForExtendedLayout = UIRectEdgeNone;
        if (@available(iOS 11.0, *)) {
            _collectionView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
        }

        WEAKSELF
        _collectionView.mj_header = [MJRefreshGifHeader headerWithRefreshingBlock:^{
            
            [weakSelf refreshParam];
            [weakSelf request_packageList];
        }];
        
        _collectionView.mj_footer = [MJRefreshBackGifFooter footerWithRefreshingBlock:^{

            weakSelf.pageNum ++;
            [weakSelf request_packageList];

        }];
        
    }
    return _collectionView;
}

- (NSMutableArray<CommonPackageModel *> *)packageDataArray {
    
    if (!_packageDataArray) {
        _packageDataArray = @[].mutableCopy;
    }
    return _packageDataArray;
}

- (void)request_packageList {
    
    NSMutableDictionary *dic = @{}.mutableCopy;
    NSMutableDictionary *t = @{}.mutableCopy;
    [t setValue:@(self.scId) forKey:@"goodsType"];
    [t setValue:[TTUserModel sharedObject].cityId forKey:@"sellerCityId"];

    [dic setValue:t forKey:@"t"];

    [dic setValue:@(self.pageNum) forKey:@"pageNum"];
    [dic setValue:@(self.pageSize) forKey:@"pageSize"];

    NSString *url = [NSString stringWithFormat:@"%@%@",TT_Global_Api_Domain,API_PackageCategory];
    
    WEAKSELF
    [TTHttpManager postRequestWithUrl:url TimeOut:10 PostData:dic FinishBlock:^(id  _Nonnull data) {
        
        [weakSelf.collectionView.mj_header endRefreshing];
        [weakSelf.collectionView.mj_footer endRefreshing];
        [[TTNoResultManager shareManager] hideNoResultWithView:weakSelf.collectionView];
        
        if ([data isKindOfClass:[NSDictionary class]]) {

            //请求成功
            NSInteger code = [[data valueForKey:@"code"] integerValue];
            if (code == 10000) {
                NSDictionary *resultDic = [data valueForKey:@"data"];
                
                if ([resultDic isKindOfClass:[NSDictionary class]]) {
                    
                    NSArray *list = [resultDic valueForKey:@"list"];
                    
                    if ([list isKindOfClass:[NSArray class]]) {
                        
                        if (weakSelf.pageNum == 1) {
                            weakSelf.packageDataArray = @[].mutableCopy;

                        }
                        
                        for (int i = 0; i < list.count; i++) {
                            NSDictionary *listDic = list[i];
                            if ([listDic isKindOfClass:[NSDictionary class]]) {
                                CommonPackageModel *model = [CommonPackageModel modelWithJSON:list[i]];
                                                                
                                CGFloat imgHeight = ((TTScreenWidth-40)/2);
                                CGFloat contentHeight = 65 + [Utilities heightOfString:model.goodsName font:[UIFont boldSystemFontOfSize:13] width:imgHeight-20 maxHeight:32];
                                model.cellHeight = imgHeight + contentHeight;
                                
                                [weakSelf.packageDataArray addObject:model];
                            }
                        }
                        
                        if (weakSelf.packageDataArray.count == 0) {
                            
                            if (weakSelf.collectionView) {
                                [[TTNoResultManager shareManager] showNoResultWithStateInView:weakSelf.collectionView errorCode:kTTViewState_NoResult btnTitle:@"" didPressButton:^{}];
                            }
                        }
                    } else {
                        
                        if (weakSelf.collectionView) {
                            
                            if (weakSelf.pageNum == 1) {
                                weakSelf.packageDataArray = @[].mutableCopy;
                                [[TTNoResultManager shareManager] showNoResultWithStateInView:weakSelf.collectionView errorCode:kTTViewState_NoResult btnTitle:@"" didPressButton:^{}];
                            }
                            
                        }
                    }
                    
                    [weakSelf.collectionView reloadData];

                }
            }
        }
        
    } FailedBlock:^(NSError * _Nonnull error) {
        
        [weakSelf.collectionView.mj_header endRefreshing];
        [weakSelf.collectionView.mj_footer endRefreshing];
    }];
    
}

@end
